Truck track drive

Abstract

A truck track drive can include two rollers. The truck track drive can also include a tread configured to pass over top and bottom of a dual rear wheel assembly on a truck and to be moved by rotation of the dual rear wheels. The track drive can also include a compulsory drive unit.

What is claimed is: 
     
       1. A track drive comprising:
 a first roller disposed at a front end of a tension rod; 
 a second roller disposed at a rear end of the tension rod; 
 a tread configured to pass over a top and a bottom of a dual rear wheel truck tire assembly and to pass over each of the rollers, the tread being powered by rotation of the dual rear wheel truck tire assembly; and 
 a compulsory drive system having a toothed drive gear disposed between a first wheel and a second wheel of the dual rear wheel truck tire assembly, a chain and a driven gear coupled to the second roller, the second roller mechanically engaging the tread and causing it to move when the driven gear is turned.